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POHow can I change the background image of a field manager while focus change in BlackBerry Java
 

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  1. POHow can I change the background image of a field manager while focus change in BlackBerry Java
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    <p>I'm a newbie to blackberry and creating menu with options. Each option contains a bitmap image and label.</p> <p>This is the code for the first menu item:</p> <pre><code>hmf1_vfm1 = new VerticalFieldManager(Field.FIELD_HCENTER | VErrticalFieldManager.USE_ALL_WIDTH | VerticalFieldManager.FIELD_HCENTER | VerticalFieldManager.FOCUSABLE | Field.FOCUSABLE) { boolean isFocus; //Bitmap bmp1 = Bitmap.getBitmapResource("mnu_tile1.png"); protected void sublayout(int maxWidth, int maxHeight) { super.sublayout(100,125); setExtent(100,125); } protected void paint(Graphics g) { try { //g.setBackgroundColor(0x504A4B); //g.drawBitmap(0, 0, bmp1.getWidth(), bmp1.getHeight(), bmp1, 0, 0); g.clear(); Background bg = BackgroundFactory.createBitmapBackground(Bitmap.getBitmapResource("mnu_tile1.png")); //mnu_tile1.png this.setBackground(bg); super.paint(g); } catch (IllegalArgumentException e) { //SupportClass.showLog(TAG+" err 2 : "+e); } } protected void onFocus(int direction) { isFocus = true; super.onFocus(direction); } protected void onUnfocus() { isFocus = false; super.onUnfocus(); } protected boolean navigationClick(int status, int time) { //SupportClass.showLog("New Order...navigationClick"); return true; } public boolean isFocusable() { return true; } /*protected boolean touchEvent(net.rim.device.api.ui.TouchEvent message) { //SupportClass.showLog("New Order...touchEvent"); return true; };*/ }; </code></pre> <p>The bitmap &amp; label fields are added to this vfm. by the way as</p> <pre><code>BitmapField bfNO = new BitmapField(bmpNO,Field.FIELD_HCENTER | Field.FOCUSABLE) { protected boolean navigationClick(int status, int time) { SupportClass.showLog("bitmap...navigationClick"); return true; } protected void paint(Graphics graphics) { //this.setBackground(BackgroundFactory.createSolidTransparentBackground(Color.BLACK,0)); super.paint(graphics); } }; LabelField txtNO = new LabelField("New Order",LabelField.FIELD_HCENTER | Field.FOCUSABLE ) { protected void paint(Graphics g) { g.setColor(Color.WHITE); //g.setBackgroundColor(0x00000000); super.paint(g); } protected boolean navigationClick(int status, int time) { SupportClass.showLog("lable...navigationClick"); return true; } }; </code></pre> <ul> <li><p>I want to focus the vertical field manager which containing the image &amp; label, while setting the background I can't see the background. I guess some layer is overlapped on the background.</p></li> <li><p>Also I want to change the selector color of the fields (blue background) into transparent.</p></li> <li><p>Please tell me what mistake I'm making.</p></li> </ul>
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    1. COdid you check the PictureBackgroundButtonField.java of here...! http://stackoverflow.com/questions/8942225/tab-bar-in-blackberry-without-toolbarmanager/8967671#8967671
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